|
Exoplanet Name : |
HIP 74865 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
28.0000 |
(Mjup) |
8902.2640 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
23.0000 |
(AU) |
23.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
33809.43 |
(Days Est.) |
|
Surface Gravity (G Earth) |
85.9721 |
|
Star Radiation at Atmospheric Boundary: |
7.2 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
73.0 |
(K) |
|
Blackbody T 0.3(K) |
68.6 |
(K) |
|
Blackbody T 0.7(K) |
55.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
86.8 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
81.5 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
Spectrum |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HIP 74865 |
|
Alternate Name : |
HD 135778 |
|
Star Distance(LY) : |
376.2 |
|
Stellar Radius(Rsun) : |
1.3 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.4 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
6640 |
(K) |
|
Spectral type : |
F3V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
3.7 |
|
Apparent Magnitude: |
9.0 |
|
Right Ascension(RA) |
229.4838 |
|
Declination (DEC) |
-30.4781 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
07312-00740 |
|
Discovered by |
|
|
Discovery Paper - Authors |
0 |
|
Discovery Paper - Title |
0 |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+74865+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
HIP 74865 b
HIP 74865 b
HIP 74865 b is an exoplanet orbiting the star HIP 74865, located about 376.2 light-years (115.3 pc) away from Solar System. Its discovery was publicly announced on 2015.
The host star HIP 74865 has apparent magnitude of 9.0, with absolute magnitude of 3.7. It is 1.4 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6640 with its spectral types of F3V
(Projected orbit of HIP 74865 b around its host star HIP 74865)
The Star HIP 74865 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.204 AU ( 180169455.1 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.665 AU ( 249041270.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.537 AU ( 379483784.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.733 AU ( 558427012.4 km)
Radiation at Planetary Boundary of HIP 74865 b : 7.16 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 74865)
Kopparapu Recent Venus for Star HIP 74865 distance : 1.186 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 74865 distance : 1.502 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 74865 distance : 1.450 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 74865 distance : 1.589 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 74865 distance : 2.607 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 74865 distance : 2.750 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 74865)
Original Kopparapu Recent Venus for Star HIP 74865 distance : 1.210 AU
Original Kopparapu Runaway Greenhouse for Star HIP 74865 distance : 1.539 AU
Original Kopparapu Moist Greenhouse for Star HIP 74865 distance : 1.601 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 74865 distance : 2.655 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 74865 distance : 2.761 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 74865)
(Position in Stellar Map of star HIP 74865 and its Exoplanet HIP 74865 b)
(Zoomed position in Stellar Map of star HIP 74865 and its Exoplanet HIP 74865 b (zoom level 3))
(Synthetic Spectrum of star HIP 74865*)
*Yamashiki YA et al. 2019 ApJ 881 114
MUSCLES Paper I - France et al. 2016 ApJ 820 89
MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102
